Directory: | ./ |
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File: | src/client/region.cpp |
Date: | 2024-01-22 17:25:27 |
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1 | /******************************************************************** | ||
2 | Copyright 2014 Martin Gräßlin <mgraesslin@kde.org> | ||
3 | |||
4 | This library is free software; you can redistribute it and/or | ||
5 | modify it under the terms of the GNU Lesser General Public | ||
6 | License as published by the Free Software Foundation; either | ||
7 | version 2.1 of the License, or (at your option) version 3, or any | ||
8 | later version accepted by the membership of KDE e.V. (or its | ||
9 | successor approved by the membership of KDE e.V.), which shall | ||
10 | act as a proxy defined in Section 6 of version 3 of the license. | ||
11 | |||
12 | This library is distributed in the hope that it will be useful, | ||
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | Lesser General Public License for more details. | ||
16 | |||
17 | You should have received a copy of the GNU Lesser General Public | ||
18 | License along with this library. If not, see <http://www.gnu.org/licenses/>. | ||
19 | *********************************************************************/ | ||
20 | #include "region.h" | ||
21 | #include "wayland_pointer_p.h" | ||
22 | // Qt | ||
23 | #include <QRegion> | ||
24 | #include <QVector> | ||
25 | // Wayland | ||
26 | #include <wayland-client-protocol.h> | ||
27 | |||
28 | namespace Wrapland | ||
29 | { | ||
30 | namespace Client | ||
31 | { | ||
32 | |||
33 | class Q_DECL_HIDDEN Region::Private | ||
34 | { | ||
35 | public: | ||
36 | Private(QRegion const& region); | ||
37 | void installRegion(QRect const& rect); | ||
38 | void installRegion(QRegion const& region); | ||
39 | void uninstallRegion(QRect const& rect); | ||
40 | void uninstallRegion(QRegion const& region); | ||
41 | |||
42 | WaylandPointer<wl_region, wl_region_destroy> region; | ||
43 | QRegion qtRegion; | ||
44 | }; | ||
45 | |||
46 | 21 | Region::Private::Private(QRegion const& region) | |
47 |
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21 | : qtRegion(region) |
48 | { | ||
49 | 21 | } | |
50 | |||
51 | 20 | void Region::Private::installRegion(QRect const& rect) | |
52 | { | ||
53 |
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20 | if (!region.isValid()) { |
54 | ✗ | return; | |
55 | } | ||
56 | 20 | wl_region_add(region, rect.x(), rect.y(), rect.width(), rect.height()); | |
57 | 20 | } | |
58 | |||
59 | 22 | void Region::Private::installRegion(QRegion const& region) | |
60 | { | ||
61 |
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41 | for (QRect const& rect : region) { |
62 | 19 | installRegion(rect); | |
63 | } | ||
64 | 22 | } | |
65 | |||
66 | 2 | void Region::Private::uninstallRegion(QRect const& rect) | |
67 | { | ||
68 |
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2 | if (!region.isValid()) { |
69 | ✗ | return; | |
70 | } | ||
71 | 2 | wl_region_subtract(region, rect.x(), rect.y(), rect.width(), rect.height()); | |
72 | 2 | } | |
73 | |||
74 | 1 | void Region::Private::uninstallRegion(QRegion const& region) | |
75 | { | ||
76 |
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2 | for (QRect const& rect : region) { |
77 | 1 | uninstallRegion(rect); | |
78 | } | ||
79 | 1 | } | |
80 | |||
81 | 21 | Region::Region(QRegion const& region, QObject* parent) | |
82 | 21 | : QObject(parent) | |
83 |
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21 | , d(new Private(region)) |
84 | 21 | { | |
85 | 21 | } | |
86 | |||
87 | 42 | Region::~Region() | |
88 | 42 | { | |
89 |
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21 | release(); |
90 | 42 | } | |
91 | |||
92 | 24 | void Region::release() | |
93 | { | ||
94 | 24 | d->region.release(); | |
95 | 24 | } | |
96 | |||
97 | 21 | void Region::setup(wl_region* region) | |
98 | { | ||
99 |
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21 | Q_ASSERT(region); |
100 | 21 | d->region.setup(region); | |
101 | 21 | d->installRegion(d->qtRegion); | |
102 | 21 | } | |
103 | |||
104 | 6 | bool Region::isValid() const | |
105 | { | ||
106 | 6 | return d->region.isValid(); | |
107 | } | ||
108 | |||
109 | 1 | void Region::add(QRect const& rect) | |
110 | { | ||
111 | 1 | d->qtRegion = d->qtRegion.united(rect); | |
112 | 1 | d->installRegion(rect); | |
113 | 1 | } | |
114 | |||
115 | 1 | void Region::add(QRegion const& region) | |
116 | { | ||
117 | 1 | d->qtRegion = d->qtRegion.united(region); | |
118 | 1 | d->installRegion(region); | |
119 | 1 | } | |
120 | |||
121 | 1 | void Region::subtract(QRect const& rect) | |
122 | { | ||
123 |
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1 | d->qtRegion = d->qtRegion.subtracted(rect); |
124 | 1 | d->uninstallRegion(rect); | |
125 | 1 | } | |
126 | |||
127 | 1 | void Region::subtract(QRegion const& region) | |
128 | { | ||
129 | 1 | d->qtRegion = d->qtRegion.subtracted(region); | |
130 | 1 | d->uninstallRegion(region); | |
131 | 1 | } | |
132 | |||
133 | 7 | QRegion Region::region() const | |
134 | { | ||
135 | 7 | return d->qtRegion; | |
136 | } | ||
137 | |||
138 | 6 | Region::operator wl_region*() const | |
139 | { | ||
140 | 6 | return d->region; | |
141 | } | ||
142 | |||
143 | 8 | Region::operator wl_region*() | |
144 | { | ||
145 | 8 | return d->region; | |
146 | } | ||
147 | |||
148 | } | ||
149 | } | ||
150 |